The party which Lenin forged and led was really not a party, in the customary sense of the word. It was more of an ‘order,’ in the sense in which Hit… - Richard Pipes

The French Jacobins were the first to realize the political potential of class resentment. Exploiting it, they conjured constant conspiracies by aristocrats and other enemies of the revolution: shortly before their fall they drafted legislation expropriating private wealth and had the unmistakable communistic implications. It was from the study of the French Revolution that its aftermath that Marx formulated the theory of class struggle as the dominant feature of history. In his theory, social antagonism was for the first time accorded moral legitimacy: hate, which Judaism condemned as self-destructive, and Christianity (in the guise of anger) treated as one of the cardinal sins, was made into a virtue.

In 1925, Goebbels and Strasser argued in the Nazi daily, Völkischer Beobachter, that only the introduction of a ‘socialist dictatorship’ could save Germany from chaos. ‘Lenin scarified Marx.’ Goebbels wrote, ‘and in return gave Russia freedom.’ Of his own Nazi Party, he wrote in 1929 that it was a party of ‘revolutionary socialists.’

[T]he view that anti-Communism equals Fascism remained obligatory in countries subject to Communist censorship until the advent of Mikhail Gorbachev’s glasnost. It was prevalent also in foreign ‘progressive’ circles. Western scholars who had the temerity to link Mussolini or Hitler with Communism in any way or to depict their regimes as genuine mass movements risked verbal or other forms of harassment.